Simplified production and concentration of lentiviral vectors to achieve high transduction in primary human T cells

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Abstract

Background: Lentiviral vectors have emerged as efficient vehicles for transgene delivery in both dividing and non-dividing cells. A number of different modifications in vector design have increased biosafety and transgene expression. However, despite these advances, the transduction of primary human T cells is still challenging and methods to achieve efficient gene transfer are often expensive and time-consuming.Results: Here we present a simple optimised protocol for the generation and transduction of lentivirus in primary human CD45RA+ T cells. We show that generation of high-titre lentivirus with improved primary T cell transduction is dependent upon optimised ultracentrifuge speed during viral concentration. Moreover, we demonstrate that transduction efficiency can be increased with simple modifications to the culturing conditions. Overall, a transduction efficiency of up to 89% in primary human CD45RA+ cells is achievable when these modifications are used in conjunction.Conclusion: The optimised protocol described here is easy to implement and should facilitate the production of high-titre lentivirus with superior transduction efficiency in primary human T cells without the need for further purification methods. © 2013 Cribbs et al.; licensee BioMed Central Ltd.

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Cribbs, A. P., Kennedy, A., Gregory, B., & Brennan, F. M. (2013). Simplified production and concentration of lentiviral vectors to achieve high transduction in primary human T cells. BMC Biotechnology, 13. https://doi.org/10.1186/1472-6750-13-98

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